Description
A large, vigorous vine widespread in the tropical Americas with slender stems and unusual, tiny green flowers followed by edible fruits. In cultivation it is hardy to USDA Zone 8 but shoots are killed to the ground by serious freezes.
Germination Guide
🌍 Southern Africa (Lesotho, Mozambique, South Africa, Eswatini)
Moderate
Zantedeschia aethiopica, commonly known as calla lily or arum lily, is a rhizomatous perennial native to southern Africa. It produces elegant white trumpet-shaped flowers with a yellow spadix and thrives in moist, well-drained soil. While typically propagated from rhizomes, it can also be grown from seed with proper conditions.
Germination
Germination time
Expect germination in
14 – 90 days
Temperature
Min 18°C
Ideal 21°C
Max 28°C
Substrate moisture
💧💧 High
Substrate & Container
Recommended substrate
Seed-starting mix or moist soil, pH 5.5-6.5, well-drained
Recommended container
Shallow nursery flat or seedling pots with drainage holes
Growing Tips
Cover pots with plastic bag or use propagator to maintain moisture. Sow seeds on soil surface with light covering of compost, as light is beneficial to germination. Seeds are slow to germinate and can be erratic; germination takes 1-3 months. Seedlings should not reach flowering size for 2-3 years. Once seeds sprout, remove cover and provide 6-8 hours direct sunlight. Maintain moist but not soggy soil. Requires warm temperatures (70-75°F optimal) and bright, indirect light for seedling growth.
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